Convert square kilometers to hectares
Converting square kilometers to hectares is a common area task, whether you are checking a recipe, a spec sheet, a travel distance or a homework problem. Since 1 km² equals 100 ha, the math is a single multiplication — and this page does it for you instantly, with the formula, a table of common values and answers to the questions people ask most.
Exact factor
How to convert square kilometers to hectares
To convert square kilometers to hectares, multiply the number of square kilometers by 100. For example, 10 km² × 100 = 1,000 ha.
ha = km² × 100
- Write down the value in square kilometers you want to convert.
- Multiply it by 100 (the exact km²→ha factor).
- The result is your value in hectares. Check it below with the converter or the table.
Conversion table
Common values of square kilometers and their equivalents in hectares:
| km² | ha |
|---|---|
| 1 | 100 |
| 2 | 200 |
| 3 | 300 |
| 4 | 400 |
| 5 | 500 |
| 10 | 1,000 |
| 20 | 2,000 |
| 25 | 2,500 |
| 50 | 5,000 |
| 100 | 10,000 |
| 250 | 25,000 |
| 500 | 50,000 |
About these units
Square Kilometer (km²). A square kilometer equals one million square meters, or 100 hectares. Cities, lakes and countries are measured in square kilometers.
Hectare (ha). A hectare equals 10,000 square meters, or 100 m × 100 m. It is the standard land unit for farms, forests and parks in metric countries.
Frequently asked questions
How do I convert square kilometers to hectares?
To convert square kilometers to hectares, multiply the number of square kilometers by 100. For example, 10 km² × 100 = 1,000 ha. Or skip the math: type the value into the converter at the top of this page and the result updates instantly.
How many hectares are in 1 square kilometer?
1 km² = 100 ha. That is the fixed relationship used by this converter and by international standards.
How many square kilometers are in 1 hectare?
1 ha = 0.01 km². If you are converting in the opposite direction, use our Hectare to Square Kilometer converter for the dedicated table and FAQ.
Is the square kilometers to hectares conversion exact?
Yes. Both units are defined by international agreement, so the factor of 100 is exact. Displayed results are rounded to 6 significant digits only for readability.
What is square kilometer used for?
A square kilometer equals one million square meters, or 100 hectares. Cities, lakes and countries are measured in square kilometers.